Home / 75,551,573.82-113,314,683.72-20,969,704.79

Finding the Fourth Proportional to 75,551,573.82, 113,314,683.72 and 20,969,704.79

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Solution

The fourth proportional to 75,551,573.82, 113,314,683.72 and 20,969,704.79 is: 31,451,038.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,551,573.82 : 113,314,683.72 = 20,969,704.79 : x
  2. Step 2: Convert to fraction form
    75,551,573.82/113,314,683.72 = 20,969,704.79/x
  3. Step 3: Cross multiply
    75,551,573.82x = 113,314,683.72 × 20,969,704.79
  4. Step 4: Simplify right side
    75,551,573.82x = 2,376,175,465,414,045.50
  5. Step 5: Solve for x
    x = 2,376,175,465,414,045.50/75,551,573.82
  6. Step 6: Final answer
    x = 31,451,038.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.